The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.
This stock page is the Follow view. The Build view lets your agent query MLSS owners, fund changes, insider filings, and source links through REST or MCP.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/stocks/MLSS"
Use Arkolith to show who owns MLSS, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | VANGUARD GROUP INC | $641K | 2.3M | ▼−0.3% Reduced · −6K sh | Q4 2025 | |
| 2 | VANGUARD CAPITAL MANAGEMENT LLC | $572K | 2.0M | ▲New +2.0M sh | Q1 2026 | |
| 3 | GEODE CAPITAL MANAGEMENT, LLC | $178K | 617K | ▲+0.3% Added · +2K sh | Q1 2026 | |
| 4 | VANGUARD FIDUCIARY TRUST CO | $93K | 322K | ▲New +322K sh | Q1 2026 | |
| 5 | CITADEL ADVISORS LLC | $48K | 167K | ▲+8.7% Added · +13K sh | Q1 2026 | |
| 6 | STATE STREET CORP | $40K | 140K | —Held | Q1 2026 | |
| 7 | LPL Financial LLC | $36K | 125K | ▲+19% Added · +20K sh | Q1 2026 | |
| 8 | Mariner, LLC | $35K | 122K | —Held | Q1 2026 | |
| 9 | NORTHERN TRUST CORP | $32K | 113K | —Held | Q1 2026 | |
| 10 | Carnegie Investment Counsel | $29K | 100K | —Held | Q1 2026 | |
| 11 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | $29K | 100K | —Held | Q1 2026 | |
| 12 | RENAISSANCE TECHNOLOGIES LLC | $24K | 82K | ▼−0.5% Reduced · −400 sh | Q1 2026 | |
| 13 | BlackRock, Inc. | $19K | 65K | ▼−7.6% Reduced · −5K sh | Q1 2026 | |
| 14 | UBS Group AG | $18K | 63K | ▼−35% Reduced · −33K sh | Q1 2026 | |
| 15 | XTX Topco Ltd | $13K | 45K | ▲+47% Added · +14K sh | Q1 2026 | |
| 16 | COMMONWEALTH EQUITY SERVICES, LLC | $13K | 45K | ▲New +45K sh | Q1 2026 | |
| 17 | Sequoia Financial Advisors, LLC | $13K | 43K | —Held | Q1 2026 | |
| 18 | Kestra Advisory Services, LLC | $12K | 41K | —Held | Q1 2026 | |
| 19 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $5K | 17K | ▼−70% Reduced · −41K sh | Q1 2026 | |
| 20 | Cetera Investment Advisers | $5K | 17K | —Held | Q1 2026 | |
| 21 | HighTower Advisors, LLC | $5K | 16K | —Held | Q1 2026 | |
| 22 | OPPENHEIMER & CO INC | $3K | 10K | —Held | Q1 2026 | |
| 23 | MORGAN STANLEY | $2K | 6K | —Held | Q1 2026 | |
| 24 | JPMORGAN CHASE & CO | $67 | 220 | —Held | Q1 2026 |
Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Oct 24, 2025 | BP4 S.r.l. | 10% Owner | Sell (S) | 100K | $44K |
| Oct 23, 2025 | BP4 S.r.l. | 10% Owner | Sell (S) | 80K | $34K |
| Oct 22, 2025 | BP4 S.r.l. | 10% Owner | Sell (S) | 14K | $6K |
| Oct 21, 2025 | BP4 S.r.l. | 10% Owner | Sell (S) | 40K | $18K |
| Oct 20, 2025 | BP4 S.r.l. | 10% Owner | Sell (S) | 24K | $11K |
| Oct 14, 2025 | BP4 S.r.l. | 10% Owner | Sell (S) | 30K | $16K |
| Oct 13, 2025 | BP4 S.r.l. | 10% Owner | Sell (S) | 10K | $6K |
| Oct 10, 2025 | BP4 S.r.l. | 10% Owner | Sell (S) | 10K | $6K |
| Oct 8, 2025 | BP4 S.r.l. | 10% Owner | Sell (S) | 30K | $14K |
| Oct 7, 2025 | BP4 S.r.l. | 10% Owner | Sell (S) | 10K | $5K |
| Oct 3, 2025 | BP4 S.r.l. | 10% Owner | Sell (S) | 9K | $4K |
| Oct 3, 2025 | BP4 S.r.l. | 10% Owner | Sell (S) | 10K | $5K |
| Company | Co-held by | Combined value |
|---|---|---|
| NVIDIA CORPNVDA | 6 funds | $4.6B |
| APPLE INCAAPL | 6 funds | $3.1B |
| AMAZON.COM INCAMZN | 6 funds | $2.6B |
| MICROSOFT CORPMSFT | 6 funds | $2.1B |
| BROADCOM INCAVGO | 6 funds | $1.6B |
| META PLATFORMS INC-CLASS AMETA | 6 funds | $1.5B |
| ALPHABET INC-CL AGOOGL | 6 funds | $1.5B |
| ALPHABET INC-CL CGOOG | 6 funds | $1.3B |
| JPMORGAN CHASE & COJPM | 6 funds | $1.3B |
| BERKSHIRE HATHAWAY INC-CL BBRK/B | 6 funds | $1.1B |
| TESLA INCTSLA | 6 funds | $1.0B |
| COSTCO WHOLESALE CORPCOST | 6 funds | $908.4M |
Ranked by how many of MLSS's institutional holders also hold each name, a cross-fund conviction signal. Via the MCP server (ticker.co_held).
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for MLSS. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes. Every panel above is one call to the Arkolith API & MCP server.